But The Voice judge isn't the only person Kelly is sparring with over weight these days. However, given that her body is the source of ridicule might make her a bit more forgiving towards someone else.

While she was attending Amy Winehouse's funeral last week, her ex-fiance Luke Worrall posted a series of cruel tweets making fun of her figure.

He deleted them mere hours later, but a furious Kelly couldn't resist retaliating over Twitter.